Mission Support and Test Services, LLC

  • Senior Principal Scientist (Radiation Safety )

    Posted Date 2 months ago(2 months ago)
    Job ID
    # of Openings
    Location : City
    Location : State/Province (Full Name)
    USD $123,988.80/Yr.
    USD $192,192.00/Yr.
  • Qualifications

    Bachelor's degree in a Health Physics, Nuclear Engineering, or in a Science, Technology, Engineering, and Mathematics (STEM) field, plus at least 14 years' relevant experience.

    • Advanced degree and professional certification (Certified Health Physicist) desired.

    • Advanced experience with operational health physics and engineering controls is desired.

    • Must possess effective oral and written communications skills and demonstrated ability to write technical reports.

    • Must possess planning and organizing skills and initiative.

    • Must be able to employ independent judgment and apply professional knowledge to ensure that assignments are completed efficiently, accurately, and on time.

    • Must possess interpersonal communication skills to deal with contacts in an effective, positive, and professional manner.

    • Must possess mathematical skill and ability to understand complex data, terminology, procedures, laws, and regulations.

    • Must be capable of performing moderate lifting.

    • May be requested to perform on-call duty and must be able to work nonstandard hours.

    • Applicant must possess a valid driver's license.


    Department of Energy Q Clearance (position will be cleared to this level). Reviews and tests for the absence of any illegal drug as defined in 10 CFR Part 707.4, "Workplace Substance Abuse Programs at DOE Sites," will be conducted. Applicant selected will be subject to a Federal background investigation, and subsequent reinvestigations, and must meet the eligibility requirements for access to classified matter. Successful completion of a counterintelligence evaluation, which may include a counterintelligence-scope polygraph examination, may also be required. Reference 10 CFR Part 709, "Counterintelligence Evaluation Program."

    Eligibility Requirements – To obtain a clearance, an individual must be a U.S. citizen at least 18 years of age. Reference DOE Order 472.2, "Personnel Security."


    MSTS is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status or other characteristics protected by law. MSTS is a background screening, drug-free workplace.


    • Perform radiological engineering analyses and calculations using industry available software. 

    • Develop new methods and techniques for acquiring, analyzing, and processing radiological data.

    • Prepare a variety of technical and non-technical reports, including procedures and plans.

    • Ensure compliance with federal, state, and local regulations, National Nuclear Security Administration (NNSA) orders, and corporate requirements.

    • Consult with supervisors and departmental representatives on radiological control matters to ensure work procedures are in compliance with Mission Support and Test Services, LLC (MSTS) core processes, and governmental requirements.

    • Serve as Technical Lead for major projects and startups.

    • Serve as an expert advisor to other personnel and management on difficult and critical technical issues.

    • Encourage development and publishing in industry-standard journals.

    • Mentor Scientist and Engineering staff and technical management in methods, processes, and best practices.

    • Apply knowledge and ingenuity to implement cutting edge, pioneering solutions in the technical arena.

    • Attend staff meetings, and planning and scheduling meetings relevant to radiological controls and engineering issues. 

    • Participate in the conduct of management assessments.

    • Review work packages and proposed test plans to ensure necessary requirements are incorporated into work control.

    • Initiate collaboration with partners external to MSTS.

    • Complete special projects to meet internal and external customer expectations.

    • Perform other duties as assigned by the Supervisor.


    If you’re looking for an interesting, fulfilling career, you’ve come to the right place!


    At Mission Support and Test Services, LLC (MSTS), we’re a dynamic team of employees who manage and operate the Nevada National Security Site (NNSS), formerly known as the Nevada Test Site. A premier outdoor, indoor and underground national laboratory for unique, high-level experiments, the NNSS has offices across the country, including Southern Nevada; Santa Barbara and Livermore, California; Washington, D.C.; and Albuquerque and Los Alamos, New Mexico. We’re dedicated to working together as a team to keep our nation safe. Join us!


    MSTS is a limited liability company consisting of Honeywell International Inc. (Honeywell), Jacobs Engineering Group Inc. (Jacobs), and Stoller Newport News Nuclear, Inc. (SN3).